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CERN Document Server 588 záznamov nájdených  1 - 10ďalšíkoniec  skoč na záznam: Hľadanie trvalo 1.30 sekúnd. 
1.
Measurements of indirect CP asymmetries in $D^0\to K^-K^+$ and $D^0\to\pi^-\pi^+$ decays / LHCb collaboration
A study of indirect CP violation in $D^0$ mesons through the determination of the parameter $A_\Gamma$ is presented using a data sample of $pp$ collisions, corresponding to an integrated luminosity of 1.0 fb$^{-1}$, collected with the LHCb detector and recorded at the centre-of-mass energy of 7 TeV at the LHC. The parameter $A_\Gamma$ is the asymmetry of the effective lifetimes measured in decays of $D^0$ and $\overline{D}^0$ mesons to the CP eigenstates $K^-K^+$ and $\pi^-\pi^+$. [...]
arXiv:1310.7201; LHCB-PAPER-2013-054; CERN-PH-EP-2013-180; LHCB-PAPER-2013-054; CERN-PH-EP-2013-180.- Geneva : CERN, 2014-01-31 - 9 p. - Published in : Phys. Rev. Lett. 112 (2014) 041801 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary related data file(s): ZIP; External link: Preprint
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2.
Search for the doubly charmed baryon $\Xi_{cc}^+$ / LHCb collaboration
A search for the doubly charmed baryon $\Xi_{cc}^{+}$ in the decay mode $\Xi_{cc}^{+} \to \Lambda_c^+ K^- \pi^+$ is performed with a data sample, corresponding to an integrated luminosity of 0.65 fb$^{-1}$, of $pp$ collisions recorded at a centre-of-mass energy of 7 TeV. No significant signal is found in the mass range 3300--3800 MeV$/c^2$. [...]
arXiv:1310.2538; CERN-PH-EP-2013-181; LHCB-PAPER-2013-049; LHCB-PAPER-2013-049; CERN-PH-EP-2013-181.- Geneva : CERN, 2013 - 21 p. - Published in : JHEP 12 (2013) 090 Fulltext: LHCb-PAPER-2013-049 - PDF; arXiv:1310.2538 - PDF; Related data file(s): ZIP; Springer Open Access article: PDF; Supplementary Related data file(s): ZIP; External link: Preprint
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3.
Search for the decay $D^0\to\pi^+\pi^-\mu^+\mu^-$ / LHCb collaboration
A search for the $D^0\to \pi^+\pi^-\mu^+\mu^-$ decay, where the muon pair does not originate from a resonance, is performed using proton-proton collision data corresponding to an integrated luminosity of $1.0\mathrm{fb}^{-1}$ recorded by the LHCb experiment at a centre-of-mass energy of $7\mathrm{TeV}$. No signal is observed and an upper limit on the relative branching fraction with respect to the resonant decay mode $D^0\to \pi^+\pi^-\phi(\to\mu^+\mu^-)$, under the assumption of a phase-space model, is found to be \begin{align} \mathcal{B}(D^0\to \pi^+\pi^-\mu^+\mu^-)/\mathcal{B}(D^0\to \pi^+\pi^-\phi(\to\mu^+\mu^-)) < 0.96\\ \end{align} at the $90\%$ confidence level. [...]
arXiv:1310.2535; LHCB-PAPER-2013-050; CERN-PH-EP-2013-183; LHCB-PAPER-2013-050; CERN-PH-EP-2013-183.- Geneva : CERN, 2014-01-20 - 10 p. - Published in : Phys. Lett. B 728 (2014) 234-243 Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP;
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4.
Observation of $\bar{B}^0_{(s)}\rightarrow J/\psi f_1(1285)$ decays and measurement of the $f_1(1285)$ mixing angle / LHCb collaboration
Decays of $\bar{B}^0_(s)$ and $\bar{B}^0$ mesons into $J/\psi \pi^+\pi^-\pi^+\pi^-$ final states, produced in $pp$ collisions at the LHC, are investigated using data corresponding to an integrated luminosity of 3 fb$^{-1}$ collected with the LHCb detector. $\bar{B}^0_{(s)}\to J/\psi f_1(1285)$ decays are seen for the first time, and the branching fractions are measured. [...]
arXiv:1310.2145; CERN-PH-EP-2013-186; LHCB-PAPER-2013-055; CERN-PH-EP-2013-186; LHCB-PAPER-2013-055.- Geneva : CERN, 2014-03-04 - 9 p. - Published in : Phys. Rev. Lett. 112 (2014) 091802 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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5.
Measurement of $D^{0}-\bar{D}^0$ mixing parameters and search for CP violation using $D^{0} \to K^{+}\pi^{-}$ decays / LHCb collaboration
Measurements of charm mixing parameters from the decay-time-dependent ratio of $D^0 \to K^+ \pi^-$ to $D^0 \to K^- \pi^+$ rates and the charge-conjugate ratio are reported. The analysis uses data, corresponding to 3 fb$^{-1}$ of integrated luminosity, from proton-proton collisions at 7 and 8 TeV center-of-mass energies recorded by the LHCb experiment. [...]
arXiv:1309.6534; CERN-PH-EP-2013-176; LHCB-PAPER-2013-053; CERN-PH-EP-2013-176; LHCB-PAPER-2013-053.- Geneva : CERN, 2013-12-18 - 9 p. - Published in : Phys. Rev. Lett. 111 (2013) 251801 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint
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6.
Measurement of the charge asymmetry in $B^{\pm}\rightarrow \phi K^{\pm}$ and search for $B^{\pm}\rightarrow \phi \pi^{\pm}$ decays / LHCb collaboration
The CP-violating charge asymmetry in $B^{\pm}\rightarrow \phi K^{\pm}$ decays is measured in a sample of $pp$ collisions at 7 TeV centre-of-mass energy, corresponding to an integrated luminosity of 1.0 fb$^{-1}$ collected by the LHCb experiment. The result is $\mathcal{A}_{CP}(B^{\pm}\rightarrow \phi K^{\pm}) = \rm 0.022\pm 0.021 \pm 0.009$, where the first uncertainty is statistical and the second systematic. [...]
arXiv:1309.3742; LHCB-PAPER-2013-048; CERN-PH-EP-2013-166; LHCB-PAPER-2013-048; CERN-PH-EP-2013-166.- Geneva : CERN, 2014-01-20 - 10 p. - Published in : Phys. Lett. B 728 (2014) 85-94 APS published version, local copy: PDF; Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: arXiv:1309.3742 - PDF; S0370269313009398 - XML; Related data file(s): ZIP; Related supplementary data file(s): ZIP;
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7.
Observation of the decay $B_c^+ \rightarrow J/\psi K^+ K^- \pi^+$ / LHCb Collaboration
The decay $B_c^+ \rightarrow J/\psi K^+ K^- \pi^+$ is observed for the first time, using proton-proton collisions collected with the LHCb detector corresponding to an integrated luminosity of 3 fb$^{-1}$. A signal yield of 78$\pm$14 decays is reported with a significance of 6.2 standard deviations. [...]
arXiv:1309.0587; CERN-PH-EP-2013-165; LHCB-PAPER-2013-047; LHCB-PAPER-2013-047; CERN-PH-EP-2013-165.- Geneva : CERN, 2013 - 16 p. - Published in : JHEP 11 (2013) 094 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
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8.
Study of $J/\psi$ production and cold nuclear matter effects in $p$Pb collisions at $\sqrt{s_{NN}}$ = 5 TeV / LHCb Collaboration
The production of $J/\psi$ mesons with rapidity 1.5 < $y$ < 4.0 or -5.0 < $y$ <-2.5 and transverse momentum $p_\mathrm{T}$ < 14 GeV/$c$ is studied with the LHCb detector in proton-lead collisions at a proton-nucleon centre-of-mass energy $\sqrt{s_{NN}}=5~\mathrm{TeV}$. The J/ψ mesons are reconstructed using the dimuon decay mode. [...]
arXiv:1308.6729; CERN-PH-EP-2013-156; LHCB-PAPER-2013-052; LHCB-PAPER-2013-052; CERN-PH-EP-2013-156.- Geneva : CERN, 2014-02 - 23 p. - Published in : JHEP 02 (2014) 072 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
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9.
First observation of $\overline{B}^0 \rightarrow J/\psi K^{+}K^{-}$ and search for $\overline{B}^0 \rightarrow J/\psi \phi$ decays / LHCb collaboration
The first observation of the $\overline{B}^0 \rightarrow J/\psi K^{+}K^{-}$ decay is presented with a data sample corresponding to an integrated luminosity of 1.0 $\rm fb^{-1}$ of $pp$ collisions at a center-of-mass energy of 7 TeV collected with the LHCb detector. The branching fraction is measured to be $\mathcal{B}(\overline{B}^0 \rightarrow J/\psi K^{+}K^{-}) = (2.53\pm 0.31 \pm 0.19)\times 10^{-6}$, where the first uncertainty is statistical and the second is systematic. [...]
arXiv:1308.5916; CERN-PH-EP-2013-159; LHCB-PAPER-2013-045; CERN-PH-EP-2013-159; LHCB-PAPER-2013-045.- Geneva : CERN, 2013-10-14 - 15 p. - Published in : Phys. Rev. D 88 (2013) 072005 APS Open Access article: PDF; Fulltext: Related data file(s) - ZIP; arXiv:1308.5916 - PDF; External link: Fulltext
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10.
Observation of the decay $B_s^0\to\bar{D}^0\phi$ / LHCb collaboration
First observation of the decay $B_s^0\to\overline{D^0}\phi$ is reported using $pp$ collision data, corresponding to an integrated luminosity of 1.0 $fb^{-1}$, collected by the LHCb experiment at a centre-of-mass energy of 7 TeV. The significance of the signal is 6.2 standard deviations. [...]
arXiv:1308.4583; LHCB-PAPER-2013-035; CERN-PH-EP-2013-150; LHCB-PAPER-2013-035; CERN-PH-EP-2013-150.- Geneva : CERN, 2013 - 9 p. - Published in : Phys. Lett. B 727 (2013) 403-411 APS published version, local copy: PDF; Elsevier Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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CERN Document Server : 588 záznamov nájdených   1 - 10ďalšíkoniec  skoč na záznam:
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